Added i18n, started working on monitoring

storage/monitoring.go

@@ -0,0 +1,44 @@
+package storage
+
+type ProjectMonitoringSnapshot struct {
+	NewTaskCount      int64
+	FailedTaskCount   int64
+	ClosedTaskCount   int64
+	WorkerAccessCount int64
+	TimeStamp         int64
+}
+
+func (database *Database) MakeProjectSnapshots() {
+
+	db := database.getDB()
+
+	_, err := db.Exec(`
+		INSERT INTO project_monitoring_snapshot
+		  (project, new_task_count, failed_task_count, closed_task_count, worker_access_count, timestamp)
+		SELECT id,
+			   (SELECT COUNT(*) FROM task WHERE task.project = project.id AND status = 1),
+			   (SELECT COUNT(*) FROM task WHERE task.project = project.id AND status = 2),
+			   closed_task_count,
+			   (SELECT COUNT(*) FROM worker_has_access_to_project wa WHERE wa.project = project.id),
+			   extract(epoch from now() at time zone 'utc')
+		FROM project`)
+	handleErr(err)
+}
+
+func (database *Database) GetMonitoringSnapshots(pid int64, from int64, to int64) (ss *[]ProjectMonitoringSnapshot) {
+
+	db := database.getDB()
+
+	rows, err := db.Query(`SELECT new_task_count, failed_task_count, closed_task_count,
+		worker_access_count, timestamp FROM project_monitoring_snapshot 
+		WHERE project=$1 AND timestamp BETWEEN $2 AND $3`, pid, from, to)
+	handleErr(err)
+
+	for rows.Next() {
+
+		s := ProjectMonitoringSnapshot{}
+		err := rows.Scan(&s.NewTaskCount, &s.FailedTaskCount, &s.ClosedTaskCount, &s.WorkerAccessCount, &s.TimeStamp)
+		handleErr(err)
+	}
+	return nil
+}